Part 1:

Based on the last 300 UO Duck football games, the average points
scored by the opposition was 23 points with a dispersion of 7 points.
Therefore,
2/3 of the time that you attend a duck football game you would expect
the opposition to score between

23 and 30 points

16 and 23 points

16 and 30 points

23 and 37 points

insufficient information to know

Based on the Duck football game data, a 1 in 100 scoring event
by the opposition would be

more than 23 points

more than 30 points

more than 37 points

more than 41 points

more than 45 points

The grading scale in dispersion units on some midterm is
the following:

> +2.00 --> A+

1.35 -- 2.00 --> A

+0.95 -- 1.35 --> A-

+0.50 -- 0.95 --> B+

+0.20 -- 0.50 --> B

-0.10 -- +0.20 --> B-

-0.50 -- -0.10 --> C+

-1.35 -- -0.50 --> C

-2.00 -- -1.35 --> C-

-2.30 -- -2.00 --> D+

-2.70 -- -2.30 --> D

You take the midterm which had an average of 70 our of 120
points with a dispersion
of 10 points. Your scored 55 points on the midterm. Your grade would
therefore be:

C+

C

C-

D+

D

For that same midterm, to earn an A+ you would have to score more
than

90 points

95 points

100 points

110 points

115 points

The Columbia River near Pasco has had about 100 years worth of flood
measurements made. Those data indicate a mean flood of +9.0 feet
with a dispersion of 5.0 feet around that mean. Based on this data
what would be the flood stage of a "1000" year flood?

9.0 feet

14.0 feet

19.0 feet

24.0 feet

can't tell from the data given

Part II:

A survey of 25 gas stations in the Eugene Area showed an average
price for unleaded gas of $1.25 per gallon with a dispersion of
10 cents. A survey of 25 stations in the Portland area had an
average of $1.35 per gallon with a dispersion of 10 cents. A
survey of 50 stations in the Seattle area had an average of $1.30
per gallon with a dispersion of 21 cents.

What is the probability that in Eugene you will pay more than
$1.45 per gallon?

1) 50% 2) 15% 3) 5% 4) 1% 5) .1 %

What is the probability that in Portland you will pay more than
$1.45 per gallon?

1) 50% 2) 15% 3) 5% 4) 1% 5) .1 %

Which location has the highest probability of paying $1.50 or more
per gallon.

1) Eugene 2) Portland 3) Seattle

About how many gas stations would I have to go to in Eugene to find
a price of $1.00 per gallon?